def dlh():
    print("czq")

dlh()
def add(a,b):
    result = a - b
    print(result)

add(4,1)


class Cat:
    def __init__(self,name,kind):
        self.name = name
        self.kind = kind

    def call_cat(self):
        print(f"我们养了一只小猫它叫{self.name},它的品种是{self.kind}")

a = Cat("小满","虎斑")
a.call_cat()
